RISE predicts the daily energy peaks and dips of your Energy Schedule (your circadian rhythm) using a biomathematical model that combines your recent sleep data and factors like light exposure and activity. The predictions update daily based on your recent sleep patterns.
What data does RISE use to predict my energy?
- Your sleep times: When you fell asleep and woke up. RISE pulls this from your phone's motion sensors, a connected wearable through Apple Health (iPhone) or Health Connect (Android), or manually logged sleep entries.
- Light exposure and activity: External factors that can nudge the timing of your Energy Schedule earlier or later. Morning light tends to shift your schedule earlier; evening light can push it later.
The prediction model refines its estimate of your circadian rhythm as it gathers more sleep sessions, so predictions tend to improve the longer you use RISE.
Why don't my energy predictions match how I feel?
If your Energy Schedule doesn't match how you feel, there are a few common reasons:
- Your sleep data may be inaccurate. If RISE is using phone-based or mattress-based tracking and your phone isn't near your bed, the app may not know exactly when you fell asleep or woke up. Connecting a wearable such as an Apple Watch or Oura Ring through Apple Health (iPhone) or Health Connect (Android) can be more accurate. You can also check and edit your sleep times manually.
- Your sleep debt is high. When sleep debt is high, your peaks feel muted and your dips feel heavier. The Energy Schedule still shows the timing of your peaks and dips, but how intensely you feel them depends on how well-rested you are. Paying down sleep debt will make your predicted peaks feel more accurate.
- Other factors RISE isn't tracking. Stimulants like caffeine, medications, or an especially intense workout can shift how your energy feels relative to what your circadian rhythm predicts.
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